What is the H.C.F. of the polynomials 2x^2 + 4x and 4x^2 + 8x?

A. 2X

Solve the quadratic equation x^2 - 4x - 5 = 0. What are the roots?

C. 5, -1

What is the H.C.F. of the polynomials 2x^2 + 4x and 4x^2 + 8x?

A. 2X

Solve the quadratic equation x^2 - 6x + 9 = 0. What are the roots?

A. 3 AND 3

What is the L.C.M. of the polynomials x^2 - 1 and x^2 - 4?

A. (X - 1)(X + 1)(X - 2)(X + 2)